CA1013872A - A.c. drive device for a liquid crystal display panel - Google Patents

A.c. drive device for a liquid crystal display panel

Info

Publication number
CA1013872A
CA1013872A CA214,050A CA214050A CA1013872A CA 1013872 A CA1013872 A CA 1013872A CA 214050 A CA214050 A CA 214050A CA 1013872 A CA1013872 A CA 1013872A
Authority
CA
Canada
Prior art keywords
liquid crystal
crystal display
display panel
drive device
drive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA214,050A
Other languages
English (en)
Other versions
CA214050S (en
Inventor
Kazuhiko Shimizu
Kenichi Suenami
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of CA1013872A publication Critical patent/CA1013872A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
    • G09G3/16—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions by control of light from an independent source
    • G09G3/18—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions by control of light from an independent source using liquid crystals

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal Display Device Control (AREA)
CA214,050A 1973-11-20 1974-11-19 A.c. drive device for a liquid crystal display panel Expired CA1013872A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1973134427U JPS5230864Y2 (fr) 1973-11-20 1973-11-20

Publications (1)

Publication Number Publication Date
CA1013872A true CA1013872A (en) 1977-07-12

Family

ID=15128114

Family Applications (1)

Application Number Title Priority Date Filing Date
CA214,050A Expired CA1013872A (en) 1973-11-20 1974-11-19 A.c. drive device for a liquid crystal display panel

Country Status (8)

Country Link
US (1) US3981004A (fr)
JP (1) JPS5230864Y2 (fr)
CA (1) CA1013872A (fr)
CH (1) CH589903A5 (fr)
DE (1) DE2454575A1 (fr)
FR (1) FR2251872A1 (fr)
GB (1) GB1442057A (fr)
NL (1) NL166794C (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4186395A (en) * 1977-03-01 1980-01-29 Kabushiki Kaisha Seikosha Method of driving a liquid crystal display apparatus
JPS6051714B2 (ja) * 1977-03-29 1985-11-15 セイコーエプソン株式会社 液晶表示装置駆動回路
US4245168A (en) * 1978-08-03 1981-01-13 General Electric Company Integratable driver for liquid crystal displays and the like
US4688898A (en) * 1984-02-11 1987-08-25 Sartorius Gmbh LCD display board for an electronic balance
GB2195195B (en) * 1986-09-20 1990-10-17 Emi Plc Thorn Display device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3532813A (en) * 1967-09-25 1970-10-06 Rca Corp Display circuit including charging circuit and fast reset circuit
BE793033A (fr) * 1971-12-22 1973-04-16 Owens Illinois Inc Generateur de tension d'entretien a verrouillage de baker pour panneauxd'indication a decharges pulsees
JPS5311171B2 (fr) * 1973-02-09 1978-04-19

Also Published As

Publication number Publication date
NL7414873A (nl) 1975-05-22
GB1442057A (en) 1976-07-07
FR2251872A1 (fr) 1975-06-13
NL166794B (nl) 1981-04-15
JPS5078181U (fr) 1975-07-07
CH589903A5 (fr) 1977-07-29
DE2454575A1 (de) 1975-05-22
NL166794C (nl) 1981-09-15
US3981004A (en) 1976-09-14
JPS5230864Y2 (fr) 1977-07-14

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